Home / 7,445.73-11,165.32-3,498.11

Finding the Fourth Proportional to 7,445.73, 11,165.32 and 3,498.11

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Solution

The fourth proportional to 7,445.73, 11,165.32 and 3,498.11 is: 5,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.73 : 11,165.32 = 3,498.11 : x
  2. Step 2: Convert to fraction form
    7,445.73/11,165.32 = 3,498.11/x
  3. Step 3: Cross multiply
    7,445.73x = 11,165.32 × 3,498.11
  4. Step 4: Simplify right side
    7,445.73x = 39,057,512.22
  5. Step 5: Solve for x
    x = 39,057,512.22/7,445.73
  6. Step 6: Final answer
    x = 5,245.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.